What is CVE-2022-46723?

CVE-2022-46723 is a critical-severity vulnerability in Apple macOS, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-02-27.

How severe is CVE-2022-46723?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Apple macOS

CVE-2022-46723

This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.6.1, macOS Big Sur 11.7.1. A remote user may be able to write arbitrary files.

Vulnerability class: Buffer Overflow

Published 2023-02-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.2th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Apple macOS — versions unspecified

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

support.apple.com/en-us/HT213493 (Release Notes, Vendor Advisory)
support.apple.com/en-us/HT213494 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2022-46723?: CVE-2022-46723 is a critical-severity vulnerability in Apple macOS, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-02-27.
How severe is CVE-2022-46723?: Critical severity. CVSS v3 base score is 9.8 out of 10.